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Engineers' Tool Kit - The Free Engineering Tools Site


Free engineering tools, references and news for structural and stress engineers. Almost everything here is free to use and download. 

Find here: 

  • free engineering software, spreadsheets and programs 
  • references to books for stress analysis, fatigue, dynamics, etc. 
  • reports, requirements and manuals for free download or consulting 
  • free software download on the toolkit
  • links to material data, technical reports, unit conversions, etc 
  • news for engineering professionals, videos and more

Complete site content at Site Map


Our articles:    Engineers' Tool Kit - Our View

THE LATEST NEWS - for complete coverage go to NEWS page

From Aviation Week & Space Technology
April 16th
With reengined A320 to fly soon, Airbus turns to other enhancements
April 14th
Intelligence community supports higher-resolution imagery.
April 13th
Mitsubishi Heavy Industries has transferred right wing of first MRJ
April 9th
Smith said industry should back whatever emerges from task force
April 9th
Aircrews will likely remain essential Smith says
April 8th
Will attempt round-the-world flight
From FlightGlobal
April 17th
The US Navy has released a draft request for proposal (RFP) for its unmanned carrier-launched airborne surveillance and strike (UCLASS) programme, the service announces in a media statement.
April 16th
​Thirteen years after full-scale development began, the Lockheed Martin F-35 will make its international debut at the Royal International Air Tattoo and the Farnborough air show in July, the UK Ministry of Defence (MOD) announced on 16 April.
April 15th
Bombardier has identified China's Minsheng Financial Leasing as the buyer of 10 Challenger 350 business jets, the order for which was previously announced in December 2013.
April 15th
Aircraft and aerial munition suppliers face a $14.2 billion hit over the next five years if the US Congress does not repeal mandatory budget cuts known as sequestration, warns a new report issued on 15 April by the Department of Defense (DOD).
April 15th
Sikorsky has cleared the structural integrity of the CH-53K heavylift helicopter meets standards for first flight later this year.
April 15th
​A Northrop Grumman X-47B unmanned aerial vehicle (UAV) completed its first night flight on 10 April, the same day that the X-47B development team won the Robert J. Collier Trophy from the National Aeronautic Association.



  • Two new links on the LINKS page, to AeroStudents and to Engineers Edge add more reference material and on line calculators of a broad range of engineering topics.

  • Free program for digitizing curves - CurveSnap, added to Programs page and link to on line curve digitizing site

  • Spreadsheet  on Spreadsheets page for extracting SPC loads from NASTRAN f06 output file

  • Link to MIL SPECS and more specifications, handbooks, on EverySpec  at LINKS page

  • New spreadsheets: stress-strain curve for non linear stress analysis and Neuber Plasticity correction using Ramberg&Osgood material curve added to the Spreadsheets page

  • Link to all regulations and specifications, from EASA, on the Regulations - Aircraft page  

  • New page:  CAD Programs with links for download, free, CAD Programs for 2D and 3D

  • New page:  Compilers with links for download, free, compilers for the most used programs for engineering and research.

  • New link on Links page to NASA site with NASA and NACA Technical reports for downloading.



Sukhoi Su-35 at Paris

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SOLAR IMPULSE: Wonderful engineering work

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